Security advisory

{
  "id": "fe366bd92c6d9cf2b7aadf16a8014d9ad350aff6df697512d098b9ca38e99da7",
  "url": "https://osv.dev/vulnerability/CVE-2018-20595",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20595",
    "summary": "A CSRF issue was discovered in web/authorization/oauth2/controller/OAuth2ClientController.java in hsweb 3.0.4 because the state parameter in the request is not compared with the state parameter in the session after user authentication is successful.",
    "evidence": "osv:CVE-2018-20595",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-20595",
      "aliases": [
        "CVE-2018-20595",
        "GHSA-4rm3-4mq4-mfwr"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hs-web/hsweb-framework",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a82c50a57ff0837005bf6409378ea0c8a7e3dbc6"
                },
                {
                  "last_affected": "a82c50a57ff0837005bf6409378ea0c8a7e3dbc6"
                },
                {
                  "fixed": "40929e9b0d336a26281a5ed2e0e721d54dd8d2f2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hsweb:hsweb:3.0.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.4"
                      },
                      {
                        "last_affected": "3.0.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "40929e9b0d336a26281a5ed2e0e721d54dd8d2f2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.4",
            "3.0.4-release"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20595.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-20595-15ae4091",
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                },
                "source": "https://github.com/hs-web/hsweb-framework/commit/40929e9b0d336a26281a5ed2e0e721d54dd8d2f2",
                "target": {
                  "file": "hsweb-system/hsweb-system-oauth2-client/hsweb-system-oauth2-client-web/src/main/java/org/hswebframework/web/authorization/oauth2/controller/OAuth2ClientController.java"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-20595-60c3b82a",
                "digest": {
                  "length": 513,
                  "function_hash": "76198728433516612500922278359692897974"
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                "source": "https://github.com/hs-web/hsweb-framework/commit/40929e9b0d336a26281a5ed2e0e721d54dd8d2f2",
                "target": {
                  "file": "hsweb-system/hsweb-system-oauth2-client/hsweb-system-oauth2-client-web/src/main/java/org/hswebframework/web/authorization/oauth2/controller/OAuth2ClientController.java",
                  "function": "callback"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
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                },
                "source": "https://github.com/hs-web/hsweb-framework/commit/40929e9b0d336a26281a5ed2e0e721d54dd8d2f2",
                "target": {
                  "file": "hsweb-authorization/hsweb-authorization-oauth2/hsweb-authorization-oauth2-core/src/main/java/org/hswebframework/web/oauth2/core/ErrorType.java"
                },
                "deprecated": false,
                "signature_type": "Line",
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            "vanir_signatures_modified": "2026-10-20T13:37:41Z"
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      ],
      "modified": "2026-10-20T13:37:41.234432651Z",
      "provider": "osv",
      "references": [
        "https://github.com/hs-web/hsweb-framework/issues/107",
        "https://github.com/hs-web/hsweb-framework/commit/40929e9b0d336a26281a5ed2e0e721d54dd8d2f2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-20595",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387902,
  "published_at": "2018-12-30T18:29:00.693+00:00"
}